How to set parameters for streams

Below you can see couple of examples: exec dbms_apply_adm.set_parameter(‘&APPLY_NAME’, ‘disable_on_error’, ‘Y’); exec dbms_apply_adm.set_parameter(‘&APPLY_NAME’,’PARALLELISM’,’1′) exec dbms_capture_adm.set_parameter(‘&CAPTURE_NAME ‘,’_CHECKPOINT_FREQUENCY’,’2000′) BEGIN dbms_capture_adm.set_parameter(capture_name => ‘&CAPTURE_NAME’,                                parameter  => ‘_SGA_SIZE’,                                VALUE      => ‘300’); END; /